One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,6)(3,5,7,8)(10,14)(12,16)(17,18)(19,24)(20,23)(21,22)(26,27)(28,32)(9,10)(11,12)(13,14)(15,16)(17,18,21,22)(19,24,23,20)(26,27)(30,31)(10,14)(11,15)(18,22)(19,23)(25,26,29,27)(28,30,32,31)(1,2)(3,5)(4,6)(7,8)(9,11)(10,12)(13,15)(14,16)(17,19)(18,20)(21,23)(22,24)(25,27,29,26)(28,31,32,30)(1,3,4,7)(2,5,6,8)(9,12)(10,15)(11,14)(13,16)(17,20)(18,23)(19,22)(21,24)(25,28,29,32)(26,30,27,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.